| 摘要 |
<p>The puzzle involves the assembly of pictures from parts of the latter, and comprises supports for the picture parts movable in relation to each other and which can form the complete picture. It is built up from two or more three-dimensional supports which are transparent, and which can slide and/or turn in relation to each other. The supports can be of decreasing size, a smaller one being always contained in a larger one, and they can be in the form of boxes or plates, with number coordinates along the edges. The outermost box can have a removable cover.</p> |
